44347709978 has 32 divisors (see below), whose sum is σ = 78176508480. Its totient is φ = 18601407360.

The previous prime is 44347709951. The next prime is 44347710073. The reversal of 44347709978 is 87990774344.

It is a self number, because there is not a number n which added to its sum of digits gives 44347709978.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922358 + ... + 969246.

It is an arithmetic number, because the mean of its divisors is an integer number (2443015890).

Almost surely, 2^44347709978 is an apocalyptic number.

44347709978 is a deficient number, since it is larger than the sum of its proper divisors (33828798502).

44347709978 is a wasteful number, since it uses less digits than its factorization.

44347709978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50222.

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 44347709978 in words is "forty-four billion, three hundred forty-seven million, seven hundred nine thousand, nine hundred seventy-eight".